Fix setup_db.sh by waiting for pg_isready success return. Fixes dbt-l…

…abs#3876

test/setup_db.sh

@@ -1,6 +1,5 @@
 #!/bin/bash
 set -x
-
 env | grep '^PG'
 
 # If you want to run this script for your own postgresql (run with
@@ -30,16 +29,9 @@ if [[ -n $CIRCLECI ]]; then
 	connect_circle
 fi
 
-createdb dbt
-psql -c "CREATE ROLE root WITH PASSWORD 'password';"
-psql -c "ALTER ROLE root WITH LOGIN;"
-psql -c "GRANT CREATE, CONNECT ON DATABASE dbt TO root WITH GRANT OPTION;"
-
-psql -c "CREATE ROLE noaccess WITH PASSWORD 'password' NOSUPERUSER;"
-psql -c "ALTER ROLE noaccess WITH LOGIN;"
-psql -c "GRANT CONNECT ON DATABASE dbt TO noaccess;"
-
-psql -c 'CREATE DATABASE "dbtMixedCase";'
-psql -c 'GRANT CREATE, CONNECT ON DATABASE "dbtMixedCase" TO root WITH GRANT OPTION;'
+until pg_isready -h ${PGHOST} -p ${PGPORT} -U ${PGUSER}; do
+    echo "Waiting for postgres to be ready..."
+    sleep 2;
+done;
 
 set +x